Home / 831,519.10-1,247,861.85-532,726.30

Finding the Fourth Proportional to 831,519.10, 1,247,861.85 and 532,726.30

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Solution

The fourth proportional to 831,519.10, 1,247,861.85 and 532,726.30 is: 799,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,519.10 : 1,247,861.85 = 532,726.30 : x
  2. Step 2: Convert to fraction form
    831,519.10/1,247,861.85 = 532,726.30/x
  3. Step 3: Cross multiply
    831,519.10x = 1,247,861.85 × 532,726.30
  4. Step 4: Simplify right side
    831,519.10x = 664,768,826,261.66
  5. Step 5: Solve for x
    x = 664,768,826,261.66/831,519.10
  6. Step 6: Final answer
    x = 799,463.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.